public void CSemVerSafeCompare_in_action(string left, char op, string right)
        {
            SVersion vL = left != null?SVersion.TryParse(left) : null;

            SVersion vR = right != null?SVersion.TryParse(right) : null;

            switch (op)
            {
            case '>':
                SVersion.CSemVerSafeCompare(vL, vR).Should().BePositive();
                SVersion.CSemVerSafeCompare(vR, vL).Should().BeNegative();
                break;

            case '<':
                SVersion.CSemVerSafeCompare(vL, vR).Should().BeNegative();
                SVersion.CSemVerSafeCompare(vR, vL).Should().BePositive();
                break;

            case '=':
                SVersion.CSemVerSafeCompare(vL, vR).Should().Be(0);
                SVersion.CSemVerSafeCompare(vR, vL).Should().Be(0);
                break;

            default: throw new ArgumentException(nameof(op));
            }
        }